Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1998-08-17
2000-05-30
Hampton-Hightower, P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528312, 528323, 528326, 528332, 528335, 528336, 528342, C08G 6908, C08G 7310
Patent
active
060692286
ABSTRACT:
Disclosed is a process for the preparation of polyamide polymers via prepolymer formation in a reactor system comprising a reactor, flasher and separator, crystallization of the prepolymer under controlled temperature conditions and the subsequent conversion of these crystallized prepolymers to high molecular weight polymer.
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patent: 5519097 (1996-05-01), Meyer et al.
patent: 5596070 (1997-01-01), Gotz
Alsop Albert Walter
Blanchard Elwood Neal
Cohen Jeffrey D.
Iwasyk John Maurice
Lin Clara Young
E. I. Du Pont de Nemours and Company
Hampton-Hightower P.
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